VOA慢速英语:外向者与内向者在社交距离上面临的困难

spin - v. to turn or cause someone or something to turn around repeatedly

personality - n. the set of emotional qualities, ways of behaving, etc., that makes a person different from other people

mind-boggling - adj. having a very powerful or overwhelming effect on the mind

grasp - v. to understand (something that is complicated or difficult)

folk - n. people in general

reward - v. to give money or another kind of payment to (someone or something) for something good that has been done